Patents by Inventor Peter John Campo

Peter John Campo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System for controlling the color of compounded polymer(s) using in-process color measurements
    Patent number: 5723517
    Abstract: A system for controlling the color of compounded polymer(s) comprises: a compounder for mixing the constituents of the compounded polymer(s) to produce a substantially homogeneous mixture; a sensor for measuring the color of the substantially homogeneous mixture at predetermined intervals; a colorant additive feeder, responsive to a controller, for providing the colorant additive(s) to the mixture at substantially predetermined colorant additive addition rates; and a controller, responsive to the sensor, for controlling the colorant additive addition rate(s) of the feeder.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: March 3, 1998
    Assignee: General Electric Company
    Inventors: Peter John Campo, Paul Kenneth Houpt